.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  background-color: #ffffff;
  box-shadow: #cccccc 5px 2px 5px;
  .header_item {
    width: 99%;
    &:first-child {
      width: 100px;
      text-align: left;
      a {
        display: flex;
        align-items: center;
        justify-content: center;
        i {
          &.iconfont {
            font-size: 24px;
          }
        }
      }
    }
    &:last-child {
      width: 100px;
      text-align: right;
    }
  }
}
